Software development jobs in Canada

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Added 9 days ago
TC
Int/EngageOne Software Developer Consultant
Tata Consultancy Services
Toronto, ON
- $100,000 to $110,000 CAD / year
- Full-time
…delivery model, recognized as a benchmark of excellence in software development. A part of the Tata group, India's largest multinational business group, TCS operates in 55 countries and…
Added 9 days ago
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Software Engineer in Algorithms & Optimization
RideCo
Waterloo, ON
- Full-time
Added 9 days ago
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Back End Developer
VySystems
Toronto, ON
- Full-time
Influence software architecture and lead design decisions for the Platform, with particular focus on payments and money-movement systems.
Added 9 days ago
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Senior Platform Software Engineer – Frontend
DSI Recruiting
Toronto, ON
- $135,000 to $160,000 CAD / year
- Full-time
Our client is seeking a hands-on Senior Platform Software Engineer (Frontend) to build the shared web foundation for a next-generation enterprise application platform. The role develops the…
Added 9 days ago
DR
Senior Platform Software Engineer – Backend
DSI Recruiting
Toronto, ON
- $130,000 to $160,000 CAD / year
- Full-time
Our client is seeking a hands-on Senior Platform Software Engineer (Backend) to implement shared cloud-native services and reusable .NET SDKs for a next-generation enterprise application…
Added 9 days ago
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Salesforce Data Cloud Developer
Galent
Toronto, ON
- Contract
Salesforce Data Cloud Architecture & Development
Added 9 days ago
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Cloud Engineer
Morson Edge (Canada)
Oshawa, ON · Greater Oshawa Metropolitan Area
- Contract
Software Defined Networking: Implement and support software-defined networking and service mesh technologies using established designs and standards.
Added 9 days ago
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Mobile Application Developer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Added 9 days ago
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Cloud Engineer
Zodiac Solutions, Inc
Montreal, QC
- Full-time
Contribute to engineering best practices for infrastructure-as-code, policy development, testing, and review processes.
Added 9 days ago
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Intermediate Infrastructure Software Developer
Scrawlr
Vancouver, BC
- Full-time
We are seeking an Intermediate Infrastructure Software Developer to contribute to the development, maintenance, and optimization of our infrastructure. This position is a unique opportunity…
Added 9 days ago
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Lead Infrastructure Software Developer
Scrawlr
Vancouver, BC
- Full-time
We are seeking a Lead Software Infrastructure Developer to architect, implement, and evolve the core infrastructure powering its consumer-facing cloud applications. This is a high-impact…
Added 9 days ago
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Senior Software Engineer
Ipsos in Canada
Vancouver, BC
- $100,000 to $110,000 CAD / year
- Full-time
Drive the migration of development code into production, providing technical assistance and guidance to refine and optimize processes.
Added 9 days ago
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Software Developer (React, TypeScript, Node/NPM, 3D Design, & AI Coding Tools)
Techedin
Toronto, ON
- Full-time
We are hiring for this role where the selected candidate will work on a software platform focused on modern web development and cross-platform experiences. The role involves building…
Added 9 days ago
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Salesforce Marketing Cloud Developer - Strong Automation Studio, Email Studio and AMPscript
Smart IT Frame LLC
ON · Ontario, Canada
- Contract
Added 9 days ago
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RQ11569 - Software Developer - Senior
CCI- Computer Consultants International, Inc.
Toronto, ON
- Full-time
Must Have Experience:
Added 9 days ago
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Software Engineer
Milya AI
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Role Description The Software Engineer will be a full-time, on-site team member based in the Greater Montreal Metropolitan Area, contributing directly to the development of Milya’s…
Added 9 days ago
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Full Stack Developer – Customer Portal Web App
Twine
Canada
- Contract
…both mobile and desktop platforms. The project requires the development of secure user authentication features, including sign-up, login, and password reset, as well as a self-service…
Added 9 days ago
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Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
The Software validation Technologist plays a critical role by working within the Innovation and Sustainability Team, helping to bring physical testing results to component and system…
Added 9 days ago
Senior Android Infrastructure Software Developer
Google
Waterloo, ON
5 years of experience with software development in one or more programming languages.
Added 9 days ago
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Senior Software Developer (C#/.NET and React)
Jobgether
Canada
- Up to $120,000 CAD / year
- Full-time
In this role, you will take ownership of complex software development initiatives, contributing to the evolution of a high-traffic digital payments platform.
Added 9 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
The Software validation Technologist plays a critical role by working within the Innovation and Sustainability Team, helping to bring physical testing results to component and system…
Added 9 days ago
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Front-End-Focused Full-Stack Developer – React
CGI
Montreal, QC
- Full-time
…SANDBOX pricer. The role is primarily focused on front-end development, with opportunities to contribute to the wider application stack and delivery…
Added 9 days ago
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Intermediate Software Developer
ATB
Calgary, AB · Edmonton, AB
- Full-time
As ATB’s next Intermediate Full Stack Software Developer, you will design, develop, test, and maintain robust application features across the full software development lifecycle to optimize…
Added 9 days ago
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Junior L1 Software Developer
Ericsson
Ottawa, ON
- Full-time
…and we are actively shaping the evolution toward 6G. Our L1 Software Development team in RCE RAN Performance designs and implements Physical Layer baseband functions - the signal-processing…
Added 9 days ago
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APPLIED AI SOFTWARE DESIGNER
Ericsson
Ottawa, ON
- Full-time
We are seeking an Applied AI Software Designer with 2–4 years of software engineering experience and hands-on experience applying AI to developer workflows. You will use Large Language…

DSI Recruiting

Senior Platform Software Engineer – Backend

Toronto, ON, Canada

$130,000 to $160,000 CAD / year · Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Pay: $130,000 to $160,000 CAD / year
Job type: Full-time
Apply by: Dec 4, 2026
Experience:  Typically 5+ years of professional backend engineering experience, or equivalent demonstrated capability.
Posting language: English
Posted: Nov 4, 2026

Original job description

Our client is seeking a hands-on Senior Platform Software Engineer (Backend) to implement shared cloud-native services and reusable .NET SDKs for a next-generation enterprise application platform. The role focuses on security, API standards, session management, resilient integrations and developer enablement across independently delivered domain services.

Platform engineering

 Build shared services, middleware, templates and reusable NuGet SDKs using C#, modern .NET and ASP.NET Core.

 Implement authentication integration, BFF session management, token lifecycle controls and tenant-aware, resource-level authorization patterns.

 Establish API standards for validation, versioning, structured errors, idempotency, configuration and service-toservice integration.

 Develop reusable patterns for PostgreSQL access, Redis caching/session storage, observability and resilient messaging as appropriate.

 Contribute to AWS-based deployments, including API Gateway, ECS/Fargate, Aurora/RDS PostgreSQL, ElastiCache, SQS and EventBridge where relevant.

 Publish packages through Azure DevOps Artifacts and support domain teams in adoption without unnecessary coupling.

AI-assisted development and quality

 Use Claude Code or comparable AI coding assistants for design exploration, implementation, refactoring, testing and documentation.

 Apply structured, specification-driven AI-assisted delivery approaches, including AWS AI-DLC 2.0; turn requirements into reviewable plans and acceptance criteria.

 Review and verify AI-generated code for security, correctness, maintainability and compliance with platform standards.

 Contribute to Azure DevOps CI/CD pipelines, automated tests, peer reviews and engineering quality gates.

Required qualifications

 Typically 5+ years of professional backend engineering experience, or equivalent demonstrated capability.

 Strong C#, modern .NET, ASP.NET Core and secure REST API development experience.

 Solid knowledge of OAuth 2.0, OIDC, application security, authentication and authorization.

 Experience with SQL/relational databases, transactions, asynchronous programming and failure-resistant service design.

 Experience with AWS or comparable cloud platforms, automated testing, Git and CI/CD.

 Ability to contribute to architecture and implement production-grade components independently.

Preferred qualifications

 AWS ECS/Fargate, API Gateway, Aurora PostgreSQL, ElastiCache, SQS, EventBridge, Secrets Manager and CloudWatch.

 BFF patterns, enterprise federation (Entra ID/PingFederate), Redis, multitenant authorization and OpenTelemetry.

 Transactional outbox/inbox, event versioning, duplicate-message handling, Flyway, Terraform and Azure DevOps Artifacts.

 Demonstrable hands-on use of Claude Code, GitHub Copilot or similar AI tools; familiarity with AWS AI-DLC 2.0.

Expected deliverables

 Production-ready shared backend components and versioned .NET SDKs.

 Reference services, secure authentication/session and authorization integration patterns.

 Automated tests, pipeline integration, operational instrumentation and adoption documentation.

Apply on LinkedIn About employer

More about this job

Responsibilities

Build and maintain shared cloud-native backend services, middleware, reference patterns, and reusable, versioned .NET SDKs for independently delivered domain services. Establish secure API, authentication, session-management, authorization, integration, and operational standards, while supporting AWS deployments, automated quality processes, and adoption by domain teams.

Requirements

Candidates typically have at least five years of backend engineering experience, strong C#, modern .NET, and ASP.NET Core skills, and experience building secure REST APIs. They should understand OAuth 2.0 and OIDC, relational databases, asynchronous and resilient service design, cloud platforms, automated testing, Git, and CI/CD, and be able to independently deliver production-grade components.

Skills

C#
Modern .NET
ASP.NET Core
Secure REST APIs
OAuth 2.0
OpenID Connect
Authentication and Authorization
AWS
PostgreSQL
Redis
Asynchronous Programming
Automated Testing
CI/CD
Azure DevOps
Claude Code

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
ASP.NET Core
NuGet
Cloud-Native Services
OAuth 2.0
OpenID Connect
Backend for Frontend (BFF)
Session Management
Multi-Tenant Authorization
REST APIs
PostgreSQL
Redis
AWS
API Gateway
ECS/Fargate
Aurora/RDS
ElastiCache
SQS
EventBridge
Azure DevOps
CI/CD
Claude Code
AWS AI-DLC 2.0
OpenTelemetry
Transactional Outbox/Inbox
Flyway
Terraform
Automated Testing
Resilient Messaging

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Software development jobs in Canada

Int/EngageOne Software Developer Consultant

Software Engineer in Algorithms & Optimization

Back End Developer

Senior Platform Software Engineer – Frontend